We have seen Exponential Growth of the spread of COVID-19 in the U.S. To help to understand the growth rate, the above app shows log (cumulative infected cases) for the top 12 states, where the solid lines show the observed count, and dotted lines represent the prediction in the next seven days.
As of April 17, Michigan shows significant growth in infected cases and exceeded Arizona, reaching the 9-th place in cumulatice infected cases.
As of Mar 15, most of the top states had stable growth. New Jersey exceeded Arizonna to be the 10-th place in cumulative infected cases.
As of Feb 12, most of the top states still have similar patterns as before. New Jersey and Tennessee tangled up together, and New Jersey is expected to exceed Tennessee in the upcoming week.
As of Feb 7, most of the top states still have similar patterns as before. Ohio and Georgia tangled up, while North Carolina excedded Arizona reaching 9-th in cumulative infected cases.
As of January 16, most of the top states still have similar patterns as before. Arizona and North Carolina exceeded Tennessee as predicted, and they are still predicted to increase faster than Tennessee in the future.
As of January 16, most of the top states still have similar patterns as before. Arizona, North Carolina, and Tennessee still tangled up together, while Tennessee is predicted to slow down and drop out from this cluster.
As of January 8, Georgia slightly exceeded Pennsylvania to be the 7-th state in cumulative infected counts. Arizona met North Carolina in the 10-th place.
As of January 1, 2021, New York came back as the 4-th state in cumulative infected counts. Pennsylvania and Georgia tangled up at the 7-th place. Also, North Carolina exceeded Michigan to be the 10-th place. Noticeably, because of the inclusion of probable cases, New Jersey experienced a jump in cumulative infected counts on January 4.
As of December 17, California exceeded Texas, becoming the the state with highest cumulative infected counts, and it is still increasing at an outstanding rate. Ohio passed Georgia as the 6-th state in cumulative infected counts. Pennsylvania kept its growth rate and surpassed Michigan and Wisconsin, coming to the 8-th place. Also, Tennessee exceeded North Carolina and is now getting close to Michigan and Wisconsin, but it is predicted to slow down next week.
As of December 4, California was getting closer with Texas. Ohio exceeded Wisconsin as the 7-th state in cumulative infected counts, and Michigan kept its growth rate, predicted to pass Wisconsin as well. Also, Pennsylvania surpassed the pack of North Carolina and Tennessee.
As of November 27, the top six states had similar trends as before, while Ohio increased, meeting with Wisconsin at the 7-th place, and Michigan exceeded the patch of North Carolina, Tennessee, and Pennsylvania to be the 9-th place. Cook (Illinois), Terrant (Texas), and Clark (Navada) have been increasing extremely fast.
As of November 19, Illinois continued to grow fast and exceeded New York to be at the 4-th place. Ohio, Tennessee, and North Carolina are tangled up together at around the 8-th place. Also, Michigan exceeded New Jersey as the 11-th place.
As of November 12, Illinois continued to grow fast, and it is predicted to exceed New York next week. Also, Wisconsin exceeded North Carolina to become the 7-th place, whilst Ohio exceeded New Jersey and Arizona as rank 10. In addition, New Jersey exceeded Arizona slightly to become the 11-th place.
As of November 6, Illinois kept an astonishing increasing rate, and it is predicted to meet with New York in the near future. Also, Wisconsin continued to grow rapidly last week and exceeded Tennessee, Arizona, and New Jersey to become the 8-th place.
As of October 29, Texas exceeded California and became the state with the highest cumulative infected counts. Tennessee exceeded Arizona and reached the 8-th place. Wisconsin continued to grow extremely fast and is predicted to exceed Arizona and New Jersey next week.
As of October 22, Texas was approaching California and could be predicted to become the state with the highest cumulative infected counts next week. Tennessee exceeded New Jersey and was getting closer to Arizona. Another noticeable change is that Wisconsin came into the picture and exceeded Pennsylvania as the 11th.
As of October 15, the growth rate of Illinois, North Carolina and Tennessee were still relatively high. Tennessee met with New Jersey and is predicted to become the state with 9th highest cumulative infected counts next week.
As of October 8, California appeared to slow down, while Texas kept its rapid growth rate. So they are predicted to meet in the near future. Also, the lower part of the graph indicates three ranking changes during last week. Illinois exceeded Georgia, becoming the state with 5th highest cumulative infected counts. North Carolina kept its growing speed and exceeded Arizona, making to the 7th spot. Pennsylvania met with Louisiana and tied at the 11th spot.
As of October 1, Texas, Illinois, Tennessee, and Pennsylvania showed a sign of speeding up. North Carolina exceeded New Jersey and became the state with 8th highest cumulative infected counts as predicted.
As of September 24, Texas showed a sign of speeding up, getting closer to California. North Carolina also kept its growth rate, and it is predicted to meet New Jersey next week.
From September 11 to September 17, California, Texas and Florida have a similar growth rate as before, while Georgia, Illinois, North Carolina and Tennessee experienced relatively large increments.
As of September 10, California, Texas, Florida, Georgia, Illinois and North Carolina still have a rapid growth rate.
As of August 27, California and Texas keep the fast increasing rate, while Florida shows a sign of slowing down. Tennessee continues to increase fast and exceeds Louisiana, becoming the 10th highest cumulative infected counts.
As of August 21, California, Florida, Texas, Georgia, and Tennessee continues to increase fast. Texas exceeded Florida and became the state with the 2nd highest cumulcative infected counts.
As of August 16, California, Florida, Texas, Georgia, and Tennessee are increasing fast. Tennessee exceeded Pennsylvania and became the state with the 11th highest cumulcative infected counts.
As of August 6, California has the fast growth rate, followed by Florida and Texas. The growth rate in Illinois and Georgia have exceeded New Jersey and became the fifth and sixth highest states.
On July 22, California exceeded New York in terms of infected counts. Within a week, Florida and Texas exceeded New York as well and became the top three states in infected counts.
As of July 13, California, Texas, Florida, Arizona continued to grow fast while North Carolina and Louisiana also started to catch up.
In the week from June 30 to July 6, California stayed the second, followed by Texas and Florida. North Dakota exceeded Michigan, becoming the 11th state in cumulative cases. Arizona and California kept growing fast in infected counts. At the same time, Arizona exceeded Pennsylvania and became the 8th highest. California's daily new count became closer to that of New York.
In the second half of June, California, Texas, Florida, and Arizona increased very fast.
Starting from the week of June 18, Arizona joined the top 12 states and grew very fast.
From June 11 to June 17, California, Texas, Florida, and Virginia kept increasing fast in cumulative infected counts.
In May, we see flattening of the infected counts for most states, while Illinois, California, Texas, Maryland, and Virginia are still facing increasing infected cases.
At the beginning of the outbreak in February, Washington was one of the most severe states, but it fell out of the top 12 list since May.
The conditions in counties coincide with those in states. The app shows the spread of COVID-19 in New York is generally under control.
As of March 15, Most of the top counties had similar growth trends as before. Riverside (California), SanBernardino (California) and Dallas (Texas) continue to be close to each other.
As of February 12, Maricopa (Arizona) exceeded Cook (Illinois) to become the 3-rd place. Riverside (California) exceeded SanBernardino (California) to be the 7-th place as predicted.
As of January 22, Cook (Illinois) was slowing down, while Maricopa (Arizona) increased rapidly, and they met at the 3-rd place. Meanwhile, Los Angeles (California), Maricopa (Arizona), SanBernardino (California), and Riverside (California) still had fast growth rates, and Riverside (California) is predicted to exceed SanBernardino (California) next week.
As of January 16 Los Angeles (California), Maricopa (Arizona), SanBernardino (California), and Riverside (California) still had rapid growth rates. Riverside (California) exceeded Dallas (Texas) to become the 10-th place.
As of January 8 Los Angeles (California), Maricopa(Arizona), SanBernardino (California), and Riverside (California) still had rapid growth rates. Riverside (California) and Orange (California) got closer to Dallas (Texas).
As of January 1, 2021 Los Angeles (California), SanBernardino (California), and Riverside (California) all showed astonishing growth rates. Los Angeles (California) is now by itself at the first tier. SanBernardino (California) exceeded Dallas (Texas) to be the 9-th place, and Riverside (California) surpassed Clark (Nevada) to be the 11-th place.
As of December 17, Cook (Illinois) still had a fast growth rate and is close to New York (New York). Maricopa (Arizona) passed Miami-Dade (Florida) to be the 4-th place. Moreover, counties in California, including Los Angeles (California), SanBernardino (California), and Riverside (California), exhibited outstanding growth rates.
As of December 4, most counties had similar growing patterns as before. Cook (Illinois) still had a worrying growth rate and is predicted to exceed New York (New York) next week.
As of November 27, most of the counties had similar growing patterns as before. Cook (Illinois) kept its rapid growth rate and is predicted to exceed New York (New York) next week.
As of November 19, Cook (Illinois) kept its rapid growth rate and is predicted to exceed New York (New York) next week. Maricopa (Arizona) exceeded Harris (Texas) as the 5th place. Also, Clark (Nevada) exceeded Broward (Florida) as the 8th place.
As of November 12, Cook (Illinois) kept its rapid growth rate. Maricopa (Arizona) and Harris (Texas) were getting very close. Also, Clark (Nevada) was getting closer with Broward (Florida).
As of November 6, Cook (Illinois) exceeded Miami-Dade (Florida) and became the county with the third highest cumulative infected counts. Maricopa (Arizona) was getting closer with Harris (Texas).
As of October 29, Cook (Illinois) is predicted to exceed Miami-Dade (Florida) and become the county with the third highest cumulative infected counts, while Los Angeles (California), Dallas (Texas) and Riverside (California) are also increasing fast in infection.
As of October 22, most counties do not have significant change in their growth rate. Cook (Illinois) experienced a rapid growth and got closer to Miami-Dade (Florida) while passed Harris (Texas) and Maricopa (Arizona)
As of October 16, most counties do not have significant change in their growth rate. Harris (Texas), Cook (Illinois) and Maricopa (Arizona) were still very close in cumulative infected counts.
As of October 8, most counties still have similar growth rates, and there was no ranking changes.
As of October 1, most counties do not have significant change in their growth rate. Harris (Texas), Cook (Illinois) and Maricopa (Arizona) were still very close in cumulative infected counts.
As of September 24, Harris (Texas), after experiencing a sudden growth on September 21, is close to Cook (Illinois) and Maricopa (Arizona) in the cumulative infected counts. Other counties do not have significant change in their growth rate.
From September 11 to September 17, counties of New York (New York), Maricopa (Arizona), and Miami-Dade (Florida) showed signs of slowing down. Other counties still kept similar patterns for their growth rates.
As of September 11, Cook (Illinois) is getting close to Maricopa (Arizona) in the cumulative infected counts and can be predicted to get closer in next week. Other counties do not have significant change in their growth rate.
As of August 27, Los Angeles (California) met New York(New York) and became the county with the highest cumulative infected counts for the first time. Meanwhile, Maricopa (Arizona) can be predicted to slow down.
As of August 21, Miami-Dade (Florida), Harris (Texas), Los Angeles (California), Dallas (Texas) and Riverside (California) are still growing fast.
As of August 16, we see that most of the 12 counties with the highest infected had tendencies to slow down in terms of the log counts, especially Maricopa (Arizona) and Broward Florida. On the other hand, Harris (Texas), Los Angeles (California), and Riverside (California) are still growing fast.
As of August 6, Los Angeles (California), Maricopa (Arizona), Miami-Dade (Florida), Harris (Texas), Broward (Florida), Clark (Nevada), and Dallas (Texas) kept increasing rapidly. The spread in Nassau (New York), Cook (Illinois), and Suffolk (New York) seem to be under control.
As of July 6, the trend was similar to late June, while Dallas (Texas) increased a lot and became the county with 12th highest daily new cases. And Miami-Dade(Florida) entered the top 10 counties with the highest cumulative infected counts for the first time.
As of July 13, Los Angeles (California), Maricopa (Arizona), Harris (Texas), Dallas (Texas) continued to grow fast.
As of July 20, Broward (Florida) became one of the top 10 counties with the highest cumulative infected counts for the first time.
As of July 27, Los Angeles (California), Maricopa (Arizona), Miami-Dade (Florida), Harris (Texas), Broward (Florida), and Dallas (Texas) kept increasing rapidly.
In late June, Maricopa (Arizona), Harris (Texas), Miami-Dade (Florida), and Los Angeles (California) increased a lot in recent weeks.